/*
 * Copyright 2009 Colin Prinn
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package net.recursv.motific.unittest;

import net.recursv.motific.unittest.impl.__TestSuite;
import net.recursv.motific.utils.StringList;
import net.recursv.motific.utils.WrappedException;

import java.util.Vector;

/**
 * Created by: recursv
 * Date: 4/08/2009
 * Time: 9:52:15 AM
 */
class FilteredTestSuiteIterator implements TestSuiteIterator {
    private int _numSuites;
    private int _numTests;
    private Vector _tests = new Vector();
    private int _index = 0;

    public FilteredTestSuiteIterator(StringList stringList) {
        try {
            safeInit(stringList);
        } catch (Throwable e) {
            throw new WrappedException(e);
        }

    }

    private void safeInit(StringList stringList) throws InstantiationException, IllegalAccessException, ClassNotFoundException {
        _numSuites = stringList.size();
        for (int i = 0; i < stringList.size(); i++) {
            String s = stringList.elementAt(i);
            __TestSuite o = (__TestSuite) Class.forName(s).newInstance();
            _numTests += o.countTests();
            _tests.addElement(o);
        }
    }

    public __TestSuite getNextTestSuite() throws ClassNotFoundException, IllegalAccessException, InstantiationException, ArrayIndexOutOfBoundsException {
        return _index < _tests.size() ? (__TestSuite) _tests.elementAt(_index++) : null;
    }

    public int countAllTestCases() {
        return _numTests;
    }

    public int countTestSuites() {
        return _numSuites;
    }
}
